Write the equation for the reaction of hydrochloric acid with bleaching powder?

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Solution

Hydrochloric acid $(H C l)$ is a strong mineral acid.
This is very corrosive and colorless in nature.
Bleaching powder $(C a O C l_{2})$ reacts with diluted Hydrochloric acid $(H C l)$
This reaction produces Calcium chloride $(C a C l_{2})$ , Chlorine gas $(C l_{2})$ and Water
$C a O C l_{2} (g) + 2 H C l (l) \to C a C l_{2} (s) + C l_{2} (g) + H_{2} O (l) B l e a c h i n g H y d r o c h l o r i c C a l c i u m C h l o r i n e W a t e r p o w d e r a c i d c h l o r i d e$

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